Biasing drive torque to a secondary axle in a motor vehicle...

Motor vehicles – Having four wheels driven – With differential means for driving two wheel sets at...

Reexamination Certificate

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Reexamination Certificate

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07600598

ABSTRACT:
A method for transmitting power to the wheels of a motor vehicle includes driveably connecting an output of a transmission to a first set of wheels, varying the magnitude of torque transmitted to an input of a differential mechanism, varying the speed of the input of the first differential mechanism, and driveably connecting the differential mechanism to the wheels of a second wheel set.

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patent: 7175559 (2007-02-01), Bowen, Thomas C.
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patent: 2003/0125157 (2003-07-01), Phelan et al.
patent: 2005/0266953 (2005-12-01), Puiu
patent: 2006/0000685 (2006-01-01), Puiu
patent: 1582390 (2005-05-01), None

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